threejs-utils/lib/three.min.js

This is a utils repo for THREE.js which including three.min.js, dat.gui.min.js and stats.min.js

// threejs.org/license
(function(h,qa){"object"===typeof exports&&"undefined"!==typeof module?qa(exports):"function"===typeof define&&define.amd?define(["exports"],qa):qa(h.THREE=h.THREE||{})})(this,function(h){function qa(){}function C(a,b){this.x=a||0;this.y=b||0}function ca(a,b,c,d,e,f,g,k,l,m){Object.defineProperty(this,"id",{value:Xd++});this.uuid=h.Math.generateUUID();this.sourceFile=this.name="";this.image=void 0!==a?a:ca.DEFAULT_IMAGE;this.mipmaps=[];this.mapping=void 0!==b?b:ca.DEFAULT_MAPPING;this.wrapS=void 0!==
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a.uniform1i(this.addr,d);c.setTextureCube(b||be,d)}function ce(a,b){a.uniform2iv(this.addr,b)}function de(a,b){a.uniform3iv(this.addr,b)}function ee(a,b){a.uniform4iv(this.addr,b)}function Je(a){switch(a){case 5126:return ze;case 35664:return Be;case 35665:return Ce;case 35666:return De;case 35674:return Ee;case 35675:return Fe;case 35676:return Ge;case 35678:return He;case 35680:return Ie;case 5124:case 35670:return Ae;case 35667:case 35671:return ce;case 35668:case 35672:return de;case 35669:case 35673:return ee}}
function Ke(a,b){a.uniform1fv(this.addr,b)}function Le(a,b){a.uniform1iv(this.addr,b)}function Me(a,b){a.uniform2fv(this.addr,Ab(b,this.size,2))}function Ne(a,b){a.uniform3fv(this.addr,Ab(b,this.size,3))}function Oe(a,b){a.uniform4fv(this.addr,Ab(b,this.size,4))}function Pe(a,b){a.uniformMatrix2fv(this.addr,!1,Ab(b,this.size,4))}function Qe(a,b){a.uniformMatrix3fv(this.addr,!1,Ab(b,this.size,9))}function Re(a,b){a.uniformMatrix4fv(this.addr,!1,Ab(b,this.size,16))}function Se(a,b,c){var d=b.length,
e=Zd(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.setTexture2D(b[a]||ae,e[a])}function Te(a,b,c){var d=b.length,e=Zd(c,d);a.uniform1iv(this.addr,e);for(a=0;a!==d;++a)c.setTextureCube(b[a]||be,e[a])}function Ue(a){switch(a){case 5126:return Ke;case 35664:return Me;case 35665:return Ne;case 35666:return Oe;case 35674:return Pe;case 35675:return Qe;case 35676:return Re;case 35678:return Se;case 35680:return Te;case 5124:case 35670:return Le;case 35667:case 35671:return ce;case 35668:case 35672:return de;
case 35669:case 35673:return ee}}function Ve(a,b,c){this.id=a;this.addr=c;this.setValue=Je(b.type)}function We(a,b,c){this.id=a;this.addr=c;this.size=b.size;this.setValue=Ue(b.type)}function fe(a){this.id=a;this.seq=[];this.map={}}function Sa(a,b,c){this.seq=[];this.map={};this.renderer=c;c=a.getProgramParameter(b,a.ACTIVE_UNIFORMS);for(var d=0;d!==c;++d){var e=a.getActiveUniform(b,d),f=a.getUniformLocation(b,e.name),g=this,k=e.name,l=k.length;for(td.lastIndex=0;;){var m=td.exec(k),r=td.lastIndex,
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I=n.createTexture();h.bindTexture(n.TEXTURE_2D,x);n.texImage2D(n.TEXTURE_2D,0,n.RGB,16,16,0,n.RGB,n.UNSIGNED_BYTE,null);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_S,n.CLAMP_TO_EDGE);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_T,n.CLAMP_TO_EDGE);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_MAG_FILTER,n.NEAREST);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_MIN_FILTER,n.NEAREST);h.bindTexture(n.TEXTURE_2D,I);n.texImage2D(n.TEXTURE_2D,0,n.RGBA,16,16,0,n.RGBA,n.UNSIGNED_BYTE,null);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_S,
n.CLAMP_TO_EDGE);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_WRAP_T,n.CLAMP_TO_EDGE);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_MAG_FILTER,n.NEAREST);n.texParameteri(n.TEXTURE_2D,n.TEXTURE_MIN_FILTER,n.NEAREST);var Q=F={vertexShader:"uniform lowp int renderType;\nuniform vec3 screenPosition;\nuniform vec2 scale;\nuniform float rotation;\nuniform sampler2D occlusionMap;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvarying float vVisibility;\nvoid main() {\nvUV = uv;\nvec2 pos = position;\nif ( renderType == 2 ) {\nvec4 visibility = texture2D( occlusionMap, vec2( 0.1, 0.1 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.5, 0.1 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.9, 0.1 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.9, 0.5 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.9, 0.9 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.5, 0.9 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.1, 0.9 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.1, 0.5 ) );\nvisibility += texture2D( occlusionMap, vec2( 0.5, 0.5 ) );\nvVisibility =        visibility.r / 9.0;\nvVisibility *= 1.0 - visibility.g / 9.0;\nvVisibility *=       visibility.b / 9.0;\nvVisibility *= 1.0 - visibility.a / 9.0;\npos.x = cos( rotation ) * position.x - sin( rotation ) * position.y;\npos.y = sin( rotation ) * position.x + cos( rotation ) * position.y;\n}\ngl_Position = vec4( ( pos * scale + screenPosition.xy ).xy, screenPosition.z, 1.0 );\n}",
fragmentShader:"uniform lowp int renderType;\nuniform sampler2D map;\nuniform float opacity;\nuniform vec3 color;\nvarying vec2 vUV;\nvarying float vVisibility;\nvoid main() {\nif ( renderType == 0 ) {\ngl_FragColor = vec4( 1.0, 0.0, 1.0, 0.0 );\n} else if ( renderType == 1 ) {\ngl_FragColor = texture2D( map, vUV );\n} else {\nvec4 texture = texture2D( map, vUV );\ntexture.a *= opacity * vVisibility;\ngl_FragColor = texture;\ngl_FragColor.rgb *= color;\n}\n}"},N=n.createProgram(),O=n.createShader(n.FRAGMENT_SHADER),
R=n.createShader(n.VERTEX_SHADER),S="precision "+a.getPrecision()+" float;\n";n.shaderSource(O,S+Q.fragmentShader);n.shaderSource(R,S+Q.vertexShader);n.compileShader(O);n.compileShader(R);n.attachShader(N,O);n.attachShader(N,R);n.linkProgram(N);v=N;r=n.getAttribLocation(v,"position");p=n.getAttribLocation(v,"uv");c=n.getUniformLocation(v,"renderType");d=n.getUniformLocation(v,"map");e=n.getUniformLocation(v,"occlusionMap");f=n.getUniformLocation(v,"opacity");g=n.getUniformLocation(v,"color");k=n.getUniformLocation(v,
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R.matrixWorld.elements[13],R.matrixWorld.elements[14]),y.applyMatrix4(E.matrixWorldInverse),y.applyProjection(E.projectionMatrix),ya.copy(y),$a.x=G.x+ya.x*L+L-8,$a.y=G.y+ya.y*ea+ea-8,!0===Fa.containsPoint($a)){h.activeTexture(n.TEXTURE0);h.bindTexture(n.TEXTURE_2D,null);h.activeTexture(n.TEXTURE1);h.bindTexture(n.TEXTURE_2D,x);n.copyTexImage2D(n.TEXTURE_2D,0,n.RGB,$a.x,$a.y,16,16,0);n.uniform1i(c,0);n.uniform2f(k,ba.x,ba.y);n.uniform3f(m,ya.x,ya.y,ya.z);h.disable(n.BLEND);h.enable(n.DEPTH_TEST);n.drawElements(n.TRIANGLES,
6,n.UNSIGNED_SHORT,0);h.activeTexture(n.TEXTURE0);h.bindTexture(n.TEXTURE_2D,I);n.copyTexImage2D(n.TEXTURE_2D,0,n.RGBA,$a.x,$a.y,16,16,0);n.uniform1i(c,1);h.disable(n.DEPTH_TEST);h.activeTexture(n.TEXTURE1);h.bindTexture(n.TEXTURE_2D,x);n.drawElements(n.TRIANGLES,6,n.UNSIGNED_SHORT,0);R.positionScreen.copy(ya);R.customUpdateCallback?R.customUpdateCallback(R):R.updateLensFlares();n.uniform1i(c,2);h.enable(n.BLEND);for(var S=0,Ye=R.lensFlares.length;S<Ye;S++){var U=R.lensFlares[S];.001<U.opacity&&.001<
U.scale&&(ya.x=U.x,ya.y=U.y,ya.z=U.z,Q=U.size*U.scale/G.w,ba.x=Q*D,ba.y=Q,n.uniform3f(m,ya.x,ya.y,ya.z),n.uniform2f(k,ba.x,ba.y),n.uniform1f(l,U.rotation),n.uniform1f(f,U.opacity),n.uniform3f(g,U.color.r,U.color.g,U.color.b),h.setBlending(U.blending,U.blendEquation,U.blendSrc,U.blendDst),a.setTexture2D(U.texture,1),n.drawElements(n.TRIANGLES,6,n.UNSIGNED_SHORT,0))}}h.enable(n.CULL_FACE);h.enable(n.DEPTH_TEST);h.setDepthWrite(!0);a.resetGLState()}}}function Ze(a,b){var c,d,e,f,g,k,l,m,r,p,n,h,t,w,
F,v,x;function I(a,b){return a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.z!==b.z?b.z-a.z:b.id-a.id}var y=a.context,E=a.state,G,D,L,ea,Q=new q,ba=new da,ya=new q;this.render=function(q,Fa){if(0!==b.length){if(void 0===L){var N=new Float32Array([-.5,-.5,0,0,.5,-.5,1,0,.5,.5,1,1,-.5,.5,0,1]),O=new Uint16Array([0,1,2,0,2,3]);G=y.createBuffer();D=y.createBuffer();y.bindBuffer(y.ARRAY_BUFFER,G);y.bufferData(y.ARRAY_BUFFER,N,y.STATIC_DRAW);y.bindBuffer(y.ELEMENT_ARRAY_BUFFER,D);y.bufferData(y.ELEMENT_ARRAY_BUFFER,
O,y.STATIC_DRAW);var N=y.createProgram(),O=y.createShader(y.VERTEX_SHADER),R=y.createShader(y.FRAGMENT_SHADER);y.shaderSource(O,["precision "+a.getPrecision()+" float;","uniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform float rotation;\nuniform vec2 scale;\nuniform vec2 uvOffset;\nuniform vec2 uvScale;\nattribute vec2 position;\nattribute vec2 uv;\nvarying vec2 vUV;\nvoid main() {\nvUV = uvOffset + uv * uvScale;\nvec2 alignedPosition = position * scale;\nvec2 rotatedPosition;\nrotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\nrotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\nvec4 finalPosition;\nfinalPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\nfinalPosition.xy += rotatedPosition;\nfinalPosition = projectionMatrix * finalPosition;\ngl_Position = finalPosition;\n}"].join("\n"));
y.shaderSource(R,["precision "+a.getPrecision()+" float;","uniform vec3 color;\nuniform sampler2D map;\nuniform float opacity;\nuniform int fogType;\nuniform vec3 fogColor;\nuniform float fogDensity;\nuniform float fogNear;\nuniform float fogFar;\nuniform float alphaTest;\nvarying vec2 vUV;\nvoid main() {\nvec4 texture = texture2D( map, vUV );\nif ( texture.a < alphaTest ) discard;\ngl_FragColor = vec4( color * texture.xyz, texture.a * opacity );\nif ( fogType > 0 ) {\nfloat depth = gl_FragCoord.z / gl_FragCoord.w;\nfloat fogFactor = 0.0;\nif ( fogType == 1 ) {\nfogFactor = smoothstep( fogNear, fogFar, depth );\n} else {\nconst float LOG2 = 1.442695;\nfogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );\nfogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );\n}\ngl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );\n}\n}"].join("\n"));
y.compileShader(O);y.compileShader(R);y.attachShader(N,O);y.attachShader(N,R);y.linkProgram(N);L=N;v=y.getAttribLocation(L,"position");x=y.getAttribLocation(L,"uv");c=y.getUniformLocation(L,"uvOffset");d=y.getUniformLocation(L,"uvScale");e=y.getUniformLocation(L,"rotation");f=y.getUniformLocation(L,"scale");g=y.getUniformLocation(L,"color");k=y.getUniformLocation(L,"map");l=y.getUniformLocation(L,"opacity");m=y.getUniformLocation(L,"modelViewMatrix");r=y.getUniformLocation(L,"projectionMatrix");p=
y.getUniformLocation(L,"fogType");n=y.getUniformLocation(L,"fogDensity");h=y.getUniformLocation(L,"fogNear");t=y.getUniformLocation(L,"fogFar");w=y.getUniformLocation(L,"fogColor");F=y.getUniformLocation(L,"alphaTest");N=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");N.width=8;N.height=8;O=N.getContext("2d");O.fillStyle="white";O.fillRect(0,0,8,8);ea=new ca(N);ea.needsUpdate=!0}y.useProgram(L);E.initAttributes();E.enableAttribute(v);E.enableAttribute(x);E.disableUnusedAttributes();
E.disable(y.CULL_FACE);E.enable(y.BLEND);y.bindBuffer(y.ARRAY_BUFFER,G);y.vertexAttribPointer(v,2,y.FLOAT,!1,16,0);y.vertexAttribPointer(x,2,y.FLOAT,!1,16,8);y.bindBuffer(y.ELEMENT_ARRAY_BUFFER,D);y.uniformMatrix4fv(r,!1,Fa.projectionMatrix.elements);E.activeTexture(y.TEXTURE0);y.uniform1i(k,0);O=N=0;(R=q.fog)?(y.uniform3f(w,R.color.r,R.color.g,R.color.b),R&&R.isFog?(y.uniform1f(h,R.near),y.uniform1f(t,R.far),y.uniform1i(p,1),O=N=1):R&&R.isFogExp2&&(y.uniform1f(n,R.density),y.uniform1i(p,2),O=N=2)):
(y.uniform1i(p,0),O=N=0);for(var R=0,S=b.length;R<S;R++){var C=b[R];C.modelViewMatrix.multiplyMatrices(Fa.matrixWorldInverse,C.matrixWorld);C.z=-C.modelViewMatrix.elements[14]}b.sort(I);for(var U=[],R=0,S=b.length;R<S;R++){var C=b[R],V=C.material;!1!==V.visible&&(y.uniform1f(F,V.alphaTest),y.uniformMatrix4fv(m,!1,C.modelViewMatrix.elements),C.matrixWorld.decompose(Q,ba,ya),U[0]=ya.x,U[1]=ya.y,C=0,q.fog&&V.fog&&(C=O),N!==C&&(y.uniform1i(p,C),N=C),null!==V.map?(y.uniform2f(c,V.map.offset.x,V.map.offset.y),
y.uniform2f(d,V.map.repeat.x,V.map.repeat.y)):(y.uniform2f(c,0,0),y.uniform2f(d,1,1)),y.uniform1f(l,V.opacity),y.uniform3f(g,V.color.r,V.color.g,V.color.b),y.uniform1f(e,V.rotation),y.uniform2fv(f,U),E.setBlending(V.blending,V.blendEquation,V.blendSrc,V.blendDst),E.setDepthTest(V.depthTest),E.setDepthWrite(V.depthWrite),V.map?a.setTexture2D(V.map,0):a.setTexture2D(ea,0),y.drawElements(y.TRIANGLES,6,y.UNSIGNED_SHORT,0))}E.enable(y.CULL_FACE);a.resetGLState()}}}function T(){Object.defineProperty(this,
"id",{value:ge++});this.uuid=h.Math.generateUUID();this.name="";this.type="Material";this.lights=this.fog=!0;this.blending=1;this.side=0;this.shading=2;this.vertexColors=0;this.opacity=1;this.transparent=!1;this.blendSrc=204;this.blendDst=205;this.blendEquation=100;this.blendEquationAlpha=this.blendDstAlpha=this.blendSrcAlpha=null;this.depthFunc=3;this.depthWrite=this.depthTest=!0;this.clippingPlanes=null;this.clipShadows=!1;this.colorWrite=!0;this.precision=null;this.polygonOffset=!1;this.alphaTest=
this.polygonOffsetUnits=this.polygonOffsetFactor=0;this.premultipliedAlpha=!1;this.overdraw=0;this._needsUpdate=this.visible=!0}function Ea(a){T.call(this);this.type="ShaderMaterial";this.defines={};this.uniforms={};this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}";this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";this.linewidth=1;this.wireframe=!1;this.wireframeLinewidth=1;this.morphNormals=this.morphTargets=
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e.bindAttribLocation(w,0,"position");e.linkProgram(w);d=e.getProgramInfoLog(w);r=e.getShaderInfoLog(k);h=e.getShaderInfoLog(l);u=n=!0;if(!1===e.getProgramParameter(w,e.LINK_STATUS))n=!1,console.error("THREE.WebGLProgram: shader error: ",e.getError(),"gl.VALIDATE_STATUS",e.getProgramParameter(w,e.VALIDATE_STATUS),"gl.getProgramInfoLog",d,r,h);else if(""!==d)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",d);else if(""===r||""===h)u=!1;u&&(this.diagnostics={runnable:n,material:c,programLog:d,
vertexShader:{log:r,prefix:g},fragmentShader:{log:h,prefix:m}});e.deleteShader(k);e.deleteShader(l);var q;this.getUniforms=function(){void 0===q&&(q=new Sa(e,w,a));return q};var v;this.getAttributes=function(){if(void 0===v){for(var a={},b=e.getProgramParameter(w,e.ACTIVE_ATTRIBUTES),c=0;c<b;c++){var d=e.getActiveAttrib(w,c).name;a[d]=e.getAttribLocation(w,d)}v=a}return v};this.destroy=function(){e.deleteProgram(w);this.program=void 0};Object.defineProperties(this,{uniforms:{get:function(){console.warn("THREE.WebGLProgram: .uniforms is now .getUniforms().");
return this.getUniforms()}},attributes:{get:function(){console.warn("THREE.WebGLProgram: .attributes is now .getAttributes().");return this.getAttributes()}}});this.id=jf++;this.code=b;this.usedTimes=1;this.program=w;this.vertexShader=k;this.fragmentShader=l;return this}function kf(a,b){function c(a,b){var c;a?a&&a.isTexture?c=a.encoding:a&&a.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),
c=a.texture.encoding):c=3E3;3E3===c&&b&&(c=3007);return c}var d=[],e={MeshDepthMaterial:"depth",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points"},f="precision supportsVertexTextures map mapEncoding envMap envMapMode envMapEncoding lightMap aoMap emissiveMap emissiveMapEncoding bumpMap normalMap displacementMap specularMap roughnessMap metalnessMap alphaMap combine vertexColors fog useFog fogExp flatShading sizeAttenuation logarithmicDepthBuffer skinning maxBones useVertexTexture morphTargets morphNormals maxMorphTargets maxMorphNormals premultipliedAlpha numDirLights numPointLights numSpotLights numHemiLights shadowMapEnabled shadowMapType toneMapping physicallyCorrectLights alphaTest doubleSided flipSided numClippingPlanes depthPacking".split(" ");
this.getParameters=function(d,f,l,m,r){var h=e[d.type],n;b.floatVertexTextures&&r&&r.skeleton&&r.skeleton.useVertexTexture?n=1024:(n=Math.floor((b.maxVertexUniforms-20)/4),void 0!==r&&r&&r.isSkinnedMesh&&(n=Math.min(r.skeleton.bones.length,n),n<r.skeleton.bones.length&&console.warn("WebGLRenderer: too many bones - "+r.skeleton.bones.length+", this GPU supports just "+n+" (try OpenGL instead of ANGLE)")));var u=a.getPrecision();null!==d.precision&&(u=b.getMaxPrecision(d.precision),u!==d.precision&&
console.warn("THREE.WebGLProgram.getParameters:",d.precision,"not supported, using",u,"instead."));var t=a.getCurrentRenderTarget();return{shaderID:h,precision:u,supportsVertexTextures:b.vertexTextures,outputEncoding:c(t?t.texture:null,a.gammaOutput),map:!!d.map,mapEncoding:c(d.map,a.gammaInput),envMap:!!d.envMap,envMapMode:d.envMap&&d.envMap.mapping,envMapEncoding:c(d.envMap,a.gammaInput),envMapCubeUV:!!d.envMap&&(306===d.envMap.mapping||307===d.envMap.mapping),lightMap:!!d.lightMap,aoMap:!!d.aoMap,
emissiveMap:!!d.emissiveMap,emissiveMapEncoding:c(d.emissiveMap,a.gammaInput),bumpMap:!!d.bumpMap,normalMap:!!d.normalMap,displacementMap:!!d.displacementMap,roughnessMap:!!d.roughnessMap,metalnessMap:!!d.metalnessMap,specularMap:!!d.specularMap,alphaMap:!!d.alphaMap,combine:d.combine,vertexColors:d.vertexColors,fog:!!l,useFog:d.fog,fogExp:l&&l.isFogExp2,flatShading:1===d.shading,sizeAttenuation:d.sizeAttenuation,logarithmicDepthBuffer:b.logarithmicDepthBuffer,skinning:d.skinning,maxBones:n,useVertexTexture:b.floatVertexTextures&&
r&&r.skeleton&&r.skeleton.useVertexTexture,morphTargets:d.morphTargets,morphNormals:d.morphNormals,maxMorphTargets:a.maxMorphTargets,maxMorphNormals:a.maxMorphNormals,numDirLights:f.directional.length,numPointLights:f.point.length,numSpotLights:f.spot.length,numHemiLights:f.hemi.length,numClippingPlanes:m,shadowMapEnabled:a.shadowMap.enabled&&r.receiveShadow&&0<f.shadows.length,shadowMapType:a.shadowMap.type,toneMapping:a.toneMapping,physicallyCorrectLights:a.physicallyCorrectLights,premultipliedAlpha:d.premultipliedAlpha,
alphaTest:d.alphaTest,doubleSided:2===d.side,flipSided:1===d.side,depthPacking:void 0!==d.depthPacking?d.depthPacking:!1}};this.getProgramCode=function(a,b){var c=[];b.shaderID?c.push(b.shaderID):(c.push(a.fragmentShader),c.push(a.vertexShader));if(void 0!==a.defines)for(var d in a.defines)c.push(d),c.push(a.defines[d]);for(d=0;d<f.length;d++)c.push(b[f[d]]);return c.join()};this.acquireProgram=function(b,c,e){for(var f,r=0,h=d.length;r<h;r++){var n=d[r];if(n.code===e){f=n;++f.usedTimes;break}}void 0===
f&&(f=new hf(a,e,b,c),d.push(f));return f};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=d.indexOf(a);d[b]=d[d.length-1];d.pop();a.destroy()}};this.programs=d}function lf(a,b,c){function d(a){var k=a.target;a=f[k.id];null!==a.index&&e(a.index);var l=a.attributes,m;for(m in l)e(l[m]);k.removeEventListener("dispose",d);delete f[k.id];m=b.get(k);m.wireframe&&e(m.wireframe);b["delete"](k);k=b.get(a);k.wireframe&&e(k.wireframe);b["delete"](a);c.memory.geometries--}function e(c){var d;d=c.isInterleavedBufferAttribute?
b.get(c.data).__webglBuffer:b.get(c).__webglBuffer;void 0!==d&&(a.deleteBuffer(d),c.isInterleavedBufferAttribute?b["delete"](c.data):b["delete"](c))}var f={};return{get:function(a){var b=a.geometry;if(void 0!==f[b.id])return f[b.id];b.addEventListener("dispose",d);var e;b.isBufferGeometry?e=b:b.isGeometry&&(void 0===b._bufferGeometry&&(b._bufferGeometry=(new J).setFromObject(a)),e=b._bufferGeometry);f[b.id]=e;c.memory.geometries++;return e}}}function mf(a,b,c){function d(c,d){var e=c.isInterleavedBufferAttribute?
c.data:c,l=b.get(e);void 0===l.__webglBuffer?(l.__webglBuffer=a.createBuffer(),a.bindBuffer(d,l.__webglBuffer),a.bufferData(d,e.array,e.dynamic?a.DYNAMIC_DRAW:a.STATIC_DRAW),l.version=e.version):l.version!==e.version&&(a.bindBuffer(d,l.__webglBuffer),!1===e.dynamic||-1===e.updateRange.count?a.bufferSubData(d,0,e.array):0===e.updateRange.count?console.error("THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually."):
(a.bufferSubData(d,e.updateRange.offset*e.array.BYTES_PER_ELEMENT,e.array.subarray(e.updateRange.offset,e.updateRange.offset+e.updateRange.count)),e.updateRange.count=0),l.version=e.version)}var e=new lf(a,b,c);return{getAttributeBuffer:function(a){return a.isInterleavedBufferAttribute?b.get(a.data).__webglBuffer:b.get(a).__webglBuffer},getWireframeAttribute:function(c){var e=b.get(c);if(void 0!==e.wireframe)return e.wireframe;var k=[],l=c.index,m=c.attributes;c=m.position;if(null!==l)for(var l=l.array,
m=0,r=l.length;m<r;m+=3){var h=l[m+0],n=l[m+1],u=l[m+2];k.push(h,n,n,u,u,h)}else for(l=m.position.array,m=0,r=l.length/3-1;m<r;m+=3)h=m+0,n=m+1,u=m+2,k.push(h,n,n,u,u,h);k=new B(new (65535<c.count?Uint32Array:Uint16Array)(k),1);d(k,a.ELEMENT_ARRAY_BUFFER);return e.wireframe=k},update:function(b){var c=e.get(b);b.geometry.isGeometry&&c.updateFromObject(b);b=c.index;var k=c.attributes;null!==b&&d(b,a.ELEMENT_ARRAY_BUFFER);for(var l in k)d(k[l],a.ARRAY_BUFFER);b=c.morphAttributes;for(l in b)for(var k=
b[l],m=0,h=k.length;m<h;m++)d(k[m],a.ARRAY_BUFFER);return c}}}function nf(a,b,c,d,e,f,g){function k(a,b){if(a.width>b||a.height>b){var c=b/Math.max(a.width,a.height),d=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");d.width=Math.floor(a.width*c);d.height=Math.floor(a.height*c);d.getContext("2d").drawImage(a,0,0,a.width,a.height,0,0,d.width,d.height);console.warn("THREE.WebGLRenderer: image is too big ("+a.width+"x"+a.height+"). Resized to "+d.width+"x"+d.height,a);return d}return a}
function l(a){return h.Math.isPowerOfTwo(a.width)&&h.Math.isPowerOfTwo(a.height)}function m(b){return 1003===b||1004===b||1005===b?a.NEAREST:a.LINEAR}function r(b){b=b.target;b.removeEventListener("dispose",r);a:{var c=d.get(b);if(b.image&&c.__image__webglTextureCube)a.deleteTexture(c.__image__webglTextureCube);else{if(void 0===c.__webglInit)break a;a.deleteTexture(c.__webglTexture)}d["delete"](b)}q.textures--}function p(b){b=b.target;b.removeEventListener("dispose",p);var c=d.get(b),e=d.get(b.texture);
if(b){void 0!==e.__webglTexture&&a.deleteTexture(e.__webglTexture);b.depthTexture&&b.depthTexture.dispose();if(b&&b.isWebGLRenderTargetCube)for(e=0;6>e;e++)a.deleteFramebuffer(c.__webglFramebuffer[e]),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer[e]);else a.deleteFramebuffer(c.__webglFramebuffer),c.__webglDepthbuffer&&a.deleteRenderbuffer(c.__webglDepthbuffer);d["delete"](b.texture);d["delete"](b)}q.textures--}function n(b,g){var m=d.get(b);if(0<b.version&&m.__version!==b.version){var n=
b.image;if(void 0===n)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined",b);else if(!1===n.complete)console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete",b);else{void 0===m.__webglInit&&(m.__webglInit=!0,b.addEventListener("dispose",r),m.__webglTexture=a.createTexture(),q.textures++);c.activeTexture(a.TEXTURE0+g);c.bindTexture(a.TEXTURE_2D,m.__webglTexture);a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,b.flipY);a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,
b.premultiplyAlpha);a.pixelStorei(a.UNPACK_ALIGNMENT,b.unpackAlignment);var p=k(b.image,e.maxTextureSize);if((1001!==b.wrapS||1001!==b.wrapT||1003!==b.minFilter&&1006!==b.minFilter)&&!1===l(p))if(n=p,n instanceof HTMLImageElement||n instanceof HTMLCanvasElement){var t=document.createElementNS("http://www.w3.org/1999/xhtml","canvas");t.width=h.Math.nearestPowerOfTwo(n.width);t.height=h.Math.nearestPowerOfTwo(n.height);t.getContext("2d").drawImage(n,0,0,t.width,t.height);console.warn("THREE.WebGLRenderer: image is not power of two ("+
n.width+"x"+n.height+"). Resized to "+t.width+"x"+t.height,n);p=t}else p=n;var n=l(p),t=f(b.format),w=f(b.type);u(a.TEXTURE_2D,b,n);var ea=b.mipmaps;if(b&&b.isDepthTexture){ea=a.DEPTH_COMPONENT;if(1015===b.type){if(!v)throw Error("Float Depth Texture only supported in WebGL2.0");ea=a.DEPTH_COMPONENT32F}else v&&(ea=a.DEPTH_COMPONENT16);1027===b.format&&(ea=a.DEPTH_STENCIL);c.texImage2D(a.TEXTURE_2D,0,ea,p.width,p.height,0,t,w,null)}else if(b&&b.isDataTexture)if(0<ea.length&&n){for(var Q=0,ba=ea.length;Q<
ba;Q++)p=ea[Q],c.texImage2D(a.TEXTURE_2D,Q,t,p.width,p.height,0,t,w,p.data);b.generateMipmaps=!1}else c.texImage2D(a.TEXTURE_2D,0,t,p.width,p.height,0,t,w,p.data);else if(b&&b.isCompressedTexture)for(Q=0,ba=ea.length;Q<ba;Q++)p=ea[Q],1023!==b.format&&1022!==b.format?-1<c.getCompressedTextureFormats().indexOf(t)?c.compressedTexImage2D(a.TEXTURE_2D,Q,t,p.width,p.height,0,p.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):c.texImage2D(a.TEXTURE_2D